Omega Speedmaster Speedmaster 321 38.6

Reference 311.50.39.30.01.001

About this watch

The Omega Speedmaster 321 38.6 is a luxurious timepiece that embodies the brand's commitment to excellence. Its Canopus Gold exterior and precision Caliber 321 B movement make it a statement piece for both casual and formal occasions. With its elegant design, durable materials, and water resistance up to 60 meters, this watch is perfect for everyday wear. The iconic tachymeter bezel adds an extra touch of sophistication, while the open case back showcases the intricate inner workings of the movement. This timepiece represents a blend of heritage, craftsmanship, and modern innovation, making it a luxury item worth investing in.
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Key Features

  • 18-carat Canopus Gold alloy
  • Omega Caliber 321 B hand-wound movement with 55-hour power reserve
  • Water resistance up to 60 meters
  • Chronograph and column wheel for precise timekeeping
  • Sapphire crystal for scratch-resistant and clear dial
  • Open case back showcasing intricate inner workings of the Caliber 321 B
  • Tachymeter bezel for measuring speed over a known distance

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster 321 38.6
Reference
311.50.39.30.01.001
Movement
321-b
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph, Column wheel
Case
Canopus Gold 38.6mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
60

Current Listings

[WTS] Omega Speedmaster Reduced 1 Ref : 3510.50 Price 2100$

Omega Speedmaster Reduced 1 Ref : 3510.50 Price 2100$

Omega - 3510.50 · $2,100
This Omega Speedmaster Reduced 1 is a 38mm automatic watch with a black dial, available for sale.

  • Condition: Good Condition
  • Size: 38mm diameter
  • Movement: Automatic
Posted at
Feb 24, 2026, 11:29 PM
Active
[WTS] Omega Speedmaster Ref: 3513.50.00 S. Steel 39mm Automatic

Omega Speedmaster Ref: 3513.50.00 S. Steel 39mm Automatic

Omega - 3513.50.00 · $1,600
Up for sale is an Omega Speedmaster Automatic Ref. 3513.50.00 (39mm) with a black dial, baton hour markers, and tachymeter bezel.

  • Condition: Excellent pre-owned, lightly refinished
  • Case Size: 39mm diameter
Posted at
Feb 24, 2026, 8:36 PM
Active
[WTS] Omega Speedmaster Professional Moon Watch / 42mm Ref. 310.30.42.50.01.001 / Box & Cards / Year 2023 /$6000

Omega Speedmaster Professional Moon Watch / 42mm Ref. 310.30.42.50.01.001 / Box & Cards / Year 2023 /$6000

Up for sale is a manual wind, full-sized Omega Speedmaster Professional aka the “Moon Watch” with a hesalite crystal, easy adjust bracelet, and complete set from 2023.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Calibre: 3186
  • Year of manufacture: 2023
Posted at
Feb 24, 2026, 7:57 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional - White Dial (310.30.42.50.04.001) - Full Set - June 2024

Omega Speedmaster Moonwatch Professional - White Dial (310.30.42.50.04.001) - Full Set - June 2024

This Omega Speedmaster Moonwatch Professional features a white dial and is described as like-new, with perfect function.

  • Condition: like-new
Posted at
Feb 24, 2026, 7:11 PM
Active
[WTS] Omega Speedmaster Professional Sapphire Sandwich 2025 like new with additional oem leather racing strap 310.30.42.50.01.002 🔥 $6450 + 🏷 Priced to Sell!

Omega Speedmaster Professional Sapphire Sandwich 2025 like new with additional oem leather racing strap 310.30.42.50.01.002 🔥 $6450 + 🏷 Priced to Sell!

One of the most versatile iconic sports watches of all time, Omega Speedmaster Sapphire Sandwich.

  • Condition: Close to mint, probably worn only a handful of times very carefully
  • Inner box and papers included: true
  • Quick adjust clasp: true
  • Leather racing strap with oem buckle: true
Posted at
Feb 24, 2026, 5:06 PM
Active
[wts] 2021 OMEGA SPEEDMASTER PRO

2021 OMEGA SPEEDMASTER PRO

2021 OMEGA SPEEDMASTER PROFESSIONAL with manual wind movement and 50-hour power reserve.

  • Condition: Pre-owned, excellent cosmetic condition (9/10)
  • Case size: 42mm diameter
  • Movement: Manual Wind 3861
  • Power reserve: 50 hours
Posted at
Feb 24, 2026, 4:17 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional - White Dial (310.30.42.50.04.001) -  Full Set - UNWORN

Omega Speedmaster Moonwatch Professional - White Dial (310.30.42.50.04.001) - Full Set - UNWORN

This Omega Speedmaster Moonwatch Professional has a white dial and is a full set, including the watch, box, special case, user manual, and warranty card.

  • Condition: Unworn
  • Case condition: Pristine
  • Bracelet condition: Pristine
Posted at
Feb 24, 2026, 2:00 PM
Active
[WTS] Omega Speedmaster Blue Side of the Moon | Aventurine Dial | 304.93.44.52.03.002 | Full Set

Omega Speedmaster Blue Side of the Moon | Aventurine Dial | 304.93.44.52.03.002 | Full Set

Omega - 304.93.44.52.03.002 · $11,250
The Omega Speedmaster Blue Side of the Moon features a stunning aventurine dial that comes alive in light, housed in a 44.25mm case.

  • Condition: Excellent condition
  • Diameter: 44.25mm
Posted at
Feb 24, 2026, 1:02 PM
Active
[WTS] Omega Speedmaster Dark Side of the Moon - Vintage Black

Omega Speedmaster Dark Side of the Moon - Vintage Black

The Omega Speedmaster Dark Side of the Moon 'Vintage Black' features an all-black ceramic case with brown indexes and hands, complemented by a 'vintage' Super-LumiNova dial. The watch is powered by the OMEGA Co-Axial calibre 9300.

  • Condition: Excellent overall, with a well-worn strap and pristine ceramic case
  • Lug Width: 21 mm
  • Lug To Lug: 49.80 mm
  • Case Diameter: 44.25 mm
Posted at
Feb 24, 2026, 11:25 AM
Active